curl --request GET \
  --url https://api.streamkap.com/transforms/{transform_id}/checkpoints \
  --header 'Authorization: Bearer <token>'

{
  "job_id": "<string>",
  "counts": {},
  "summary": {},
  "latest": {
    "id": 123,
    "status": "<string>",
    "is_savepoint": true,
    "trigger_timestamp": 123,
    "latest_ack_timestamp": 123,
    "state_size": 123,
    "end_to_end_duration": 123,
    "alignment_buffered": 123,
    "num_subtasks": 123,
    "num_acknowledged_subtasks": 123
  },
  "history": [],
  "operator_breakdown": []
}